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target/ppc: Implement watchpoint debug facility for v2.07S

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ISA v2.07S introduced the watchpoint facility based on the DAWR0
and DAWRX0 SPRs. Implement this in TCG.

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
This commit is contained in:
Nicholas Piggin 2023-08-08 13:11:15 +10:00 • committed by Cédric Le Goater
parent 14192307ef
commit d5ee641cfc
10 changed files with 147 additions and 3 deletions
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10
target/ppc/misc_helper.c
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@ -204,6 +204,16 @@ void helper_store_ciabr(CPUPPCState *env, target_ulong value)
ppc_store_ciabr(env, value);
}
void helper_store_dawr0(CPUPPCState *env, target_ulong value)
{
ppc_store_dawr0(env, value);
}
void helper_store_dawrx0(CPUPPCState *env, target_ulong value)
{
ppc_store_dawrx0(env, value);
}
/*
* DPDES register is shared. Each bit reflects the state of the
* doorbell interrupt of a thread of the same core.